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This document discusses an experimental study of the leaching of atacamite, chrysocolla, and malachite copper ores with sulfuric acid. Synthetic rocks containing 1% of one of these copper minerals and 42% of a reactive gangue mineral (smectite, kaolinite, illite, etc.) were leached in columns. The results showed that copper retention during leaching was directly proportional to the cation exchange capacity of the gangue minerals. Smectite-rich gangues exhibited the highest copper retention due to their high

Author

Francisco García

Language

EN